Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 20 20 Aug 2024, 07:13

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 10:36.022 Passed
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
19.306
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.044
And I prepare Tails for memory erasure tests 0.388
When I start a process allocating 128 MiB of memory with a known pattern 1.182
Then patterns cover at least 128 MiB in the guest's memory 3.375

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 0.570
Then I find very few patterns in the guest's memory after 3 seconds 5.745

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 0.710
After features/support/hooks.rb:100 0.000
23.483
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.995
And I prepare Tails for memory erasure tests 0.431
And I find very few patterns in the guest's memory 2.894

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.930
Then patterns cover at least 99% of the test FS size in the guest's memory 3.241

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 0.841
Then I find very few patterns in the guest's memory after 3 seconds 6.148

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:326 1.665
After features/support/hooks.rb:100 0.000
46.105
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.971
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.321
Then I find very few patterns in the guest's memory 3.223

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.138
Then patterns cover at least 75% of the test FS size in the guest's memory 3.434

Pattern coverage: 89.145% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.526
Then I find very few patterns in the guest's memory after 3 seconds 5.413

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

# read cache
When I mount the USB drive again 0.312
And I read the content of the test FS 0.531
Then patterns cover at least 99% of the test FS size in the guest's memory 3.300

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.669
Then I find very few patterns in the guest's memory after 3 seconds 5.842

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

After features/support/hooks.rb:326 1.332
After features/support/hooks.rb:100 0.000
1:13.461
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.307
And I prepare Tails for memory erasure tests 0.416
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.695
Then I find very few patterns in the guest's memory 2.905

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.585
Then patterns cover at least 99% of the test FS size in the guest's memory 3.585

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.742
Then I find very few patterns in the guest's memory after 3 seconds 5.368

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# read cache
When I mount the USB drive again 4.757
And I read the content of the test FS 0.432
Then patterns cover at least 99% of the test FS size in the guest's memory 2.727

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.617
Then I find very few patterns in the guest's memory after 3 seconds 5.321

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 0.866
After features/support/hooks.rb:100 0.000
49.534
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.895
And I prepare Tails for memory erasure tests 0.441
When I fill a 128 MiB file with a known pattern on the root filesystem 16.147
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.758
Then patterns cover at least 128 MiB in the guest's memory 2.536

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.743

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 3.519
After features/support/hooks.rb:100 0.000
7:4.131
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:18.809
And I prepare Tails for memory erasure tests 0.378
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.448
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.479

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:326 3.568
After features/support/hooks.rb:100 0.077